﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Zmx
{
    class Laoyin:Birdtype
    {
        public override void cry()
        {
            base.fly();
            Console.WriteLine("我会嘤嘤嘤");
        }
    }
}
